/**
* @brief Initializes the SSPx peripheral according to the specified
* parameters in the SSP_InitStruct.
* @param SSPx: Select the SSP peripheral.
* This parameter can be one of the following values:
* SSP1, SSP2.
* @param SSP_InitStruct: pointer to a SSP_InitTypeDef structure
* that contains the configuration information for the specified SSP peripheral.
* @retval None
*/
void SSP_Init(MDR_SSP_TypeDef* SSPx, const SSP_InitTypeDef* SSP_InitStruct)
{
uint32_t tmpreg;
/* Check the parameters */
assert_param(IS_SSP_ALL_PERIPH(SSPx));
assert_param(IS_SSP_SPEED_FACTOR(SSP_InitStruct->SSP_SCR));
assert_param(IS_SSP_SPEED_DIVIDER(SSP_InitStruct->SSP_CPSDVSR));
assert_param(IS_SSP_MODE(SSP_InitStruct->SSP_Mode));
assert_param(IS_SSP_WORD_LENGTH(SSP_InitStruct->SSP_WordLength));
assert_param(IS_SSP_SPH(SSP_InitStruct->SSP_SPH));
assert_param(IS_SSP_SPO(SSP_InitStruct->SSP_SPO));
assert_param(IS_SSP_FRF(SSP_InitStruct->SSP_FRF));
assert_param(IS_SSP_HARDWARE_FLOW_CONTROL(SSP_InitStruct->SSP_HardwareFlowControl));
/* SSPx CPSR Configuration */
SSPx->CPSR = SSP_InitStruct->SSP_CPSDVSR;
/* SSPx CR0 Configuration */
tmpreg = (SSP_InitStruct->SSP_SCR << SSP_CR0_SCR_Pos)
+ SSP_InitStruct->SSP_SPH
+ SSP_InitStruct->SSP_SPO
+ SSP_InitStruct->SSP_FRF
+ SSP_InitStruct->SSP_WordLength;
SSPx->CR0 = tmpreg;
/* SSPx CR1 Configuration */
tmpreg = SSP_InitStruct->SSP_HardwareFlowControl + SSP_InitStruct->SSP_Mode;
SSPx->CR1 = tmpreg;
}
/**
* @brief Initializes the SSPx peripheral according to the specified
* parameters in the SSP_InitStruct.
* @param SSPx: where x can be 1 or 2 to select the SSP peripheral.
* @param SSP_InitStruct: pointer to a SSP_InitTypeDef structure that
* contains the configuration information for the specified SSP peripheral.
* @retval None
*/
void SSP_Init(SSP_TypeDef* SSPx, SSP_InitTypeDef* SSP_InitStruct)
{
uint32_t tmpreg = 0;
/* check the parameters */
assert_param(IS_SSP_ALL_PERIPH(SSPx));
/* Check the SSP parameters */
assert_param(IS_SSP_SERIALCLOCKRATE(SSP_InitStruct->SSP_SerialClockRate));
assert_param(IS_SSP_FRAMEFORMAT(SSP_InitStruct->SSP_FrameFormat));
assert_param(IS_SSP_CPHA(SSP_InitStruct->SSP_CPHA));
assert_param(IS_SSP_CPOL(SSP_InitStruct->SSP_CPOL));
assert_param(IS_SSP_DATASIZE(SSP_InitStruct->SSP_DataSize));
assert_param(IS_SSP_SOD(SSP_InitStruct->SSP_SOD));
assert_param(IS_SSP_MODE(SSP_InitStruct->SSP_Mode));
assert_param(IS_SSP_NSS(SSP_InitStruct->SSP_NSS));
assert_param(IS_SSP_LBM(SSP_InitStruct->SSP_LBM));
assert_param(IS_SSP_SSE(SSP_InitStruct->SSP_SSE));
assert_param(IS_SSP_BAUDRATE_PRESCALER(SSP_InitStruct->SSP_BaudRatePrescaler));
/*---------------------------- SSPx CR0 Configuration ------------------------*/
/* Get the SSPx CR0 value */
tmpreg = SSPx->CR0;
/* Clear bits */
//tmpreg &= CR1_CLEAR_Mask;
tmpreg |= (uint32_t)(SSP_InitStruct->SSP_SerialClockRate | SSP_InitStruct->SSP_FrameFormat |
SSP_InitStruct->SSP_CPHA | SSP_InitStruct->SSP_CPOL | SSP_InitStruct->SSP_DataSize );
//printf("CR0: %.8X \r\n",tmpreg);
/* Write to SSPx CR0 */
SSPx->CR0 = tmpreg;
/*---------------------------- SSPx CR1 Configuration ------------------------*/
/* Write to SSPx CR1 */
tmpreg = SSPx->CR1;
/* Clear bits */
//tmpreg &= CR1_CLEAR_Mask;
tmpreg |= (uint32_t)(SSP_InitStruct->SSP_SOD | SSP_InitStruct->SSP_Mode |
SSP_InitStruct->SSP_NSS | SSP_InitStruct->SSP_SSE | SSP_InitStruct->SSP_LBM );
SSPx->CR1 = tmpreg;
//printf("CR1: %.8X \r\n",tmpreg);
/*---------------------------- SSPx Clock prescal register ------------------------*/
SSPx->CPSR = SSP_InitStruct->SSP_BaudRatePrescaler;
}
